News and Announcements

Protect Your Trees!

There are new threats to trees in Southern California: Polyphagous Shot Hole Borer/Fusarium Dieback and Gold Spotted Oak Borer. These pests can only successfully infect the following trees:

Box Elder

California Sycamore

London Plane

Coast Live Oak

Avocado

White Alder

Japanese Maple

Liquidambar

Red Willow

Oak

The Department of Agriculture and Natural Resources of the University of California has provided ways of distinguishing the symptoms of infected trees. Click the link below for more information or visit www.GSOB.org. Report suspected tree infestations in Orange County to pshb.ucceoc@gmail.com.